diff --git a/src/ui.rs b/src/ui.rs
index 309d0aa6b..27793b31f 100644
--- a/src/ui.rs
+++ b/src/ui.rs
@@ -595,8 +595,8 @@ impl UI {
         handle_relay_id(id)
     }
 
-    fn get_hostname(&self) -> String {
-        get_hostname()
+    fn get_login_device_info(&self) -> String {
+        get_login_device_info_json()
     }
 }
 
@@ -682,7 +682,7 @@ impl sciter::EventHandler for UI {
         fn get_langs();
         fn default_video_save_directory();
         fn handle_relay_id(String);
-        fn get_hostname();
+        fn get_login_device_info();
     }
 }
 
diff --git a/src/ui/index.tis b/src/ui/index.tis
index c6286e903..9d09dd7a7 100644
--- a/src/ui/index.tis
+++ b/src/ui/index.tis
@@ -1323,18 +1323,5 @@ function getHttpHeaders() {
 }
 
 function getDeviceInfo() {
-    var os;
-    if (is_win) {
-        os = 'windows';
-    } else if (is_linux) {
-        os = 'linux';
-    } else if (is_osx) {
-        os = 'macos';
-    }
-
-    return {
-        os: os,
-        type: 'client',
-        name: handler.get_hostname()
-    };
+    return JSON.parse(handler.get_login_device_info());
 }
diff --git a/src/ui_interface.rs b/src/ui_interface.rs
index 51f848457..f6791de0b 100644
--- a/src/ui_interface.rs
+++ b/src/ui_interface.rs
@@ -974,10 +974,6 @@ pub fn get_fingerprint() -> String {
     return ipc::get_fingerprint();
 }
 
-pub fn get_hostname() -> String {
-    crate::common::hostname()
-}
-
 #[inline]
 pub fn get_login_device_info() -> LoginDeviceInfo {
     LoginDeviceInfo {
@@ -990,7 +986,7 @@ pub fn get_login_device_info() -> LoginDeviceInfo {
 
 #[inline]
 pub fn get_login_device_info_json() -> String {
-    serde_json::to_string(&get_login_device_info()).unwrap_or_default()
+    serde_json::to_string(&get_login_device_info()).unwrap_or("{}".to_string())
 }
 
 // notice: avoiding create ipc connection repeatedly,